Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Multiplex communication circuit

Toyota RAV4. Multiplex communication circuit


Description

The air conditioning amplifier communicates data with the ecm and combination meter through the can communication system.

Toyota RAV4. Multiplex communication circuit


Wiring diagram

Toyota RAV4. Multiplex communication circuit


Inspection procedure

  1. Check dtc

  1. Clear the dtc (see page ac-31).
  2. Read the dtc (see page ac-31).

Result




Go to can communication system

Bus ic communication malfunction
Description The air conditioning harness connects the air conditioning amplifier and the servos. The air conditioning amplifier supplies power and sends operation instructions to each servo th ...

Air conditioning control panel does not operate
Description This circuit consists of the air conditioning control and the air conditioning amplifier. When the air conditioning control is operated, signals are transmitted to the air conditioni ...

Other materials:

Removal
Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove no. 1 Engine under cover Remove front fender apron rh Remove radia ...

Operation check
Inspect driver side seat belt warning light Turn the ignition switch on. When the driver seat belt is not fastened, check that the driver seat belt warning light on the combination meter blinks. When the driver seat belt is fastened, check that the driver seat belt warning light o ...

Enabling/Disabling the Parking Support Brake
The Parking Support Brake can be enabled/disabled on the screen of the multi-information display. All of the Parking Support Brake functions (static objects and rear-crossing vehicles) are enabled/disabled simultaneously. When the Parking Support Brake is disabled, the PKSB OFF indicator illuminat ...

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